What 1win actually is and why people look for an alternative
1win belongs to a category of multi-purpose platforms: a casino with slots and table games, sports betting, crash games, and sometimes a poker room as one item in a wide catalogue of games. This is a common business model in the industry — bundling as many types of gambling as possible under one roof to maximize the time and money a user spends on the site.
The problem for a player specifically looking for poker is that on most platforms of this kind, poker is a side feature next to dozens of games of chance the site markets far more aggressively. Someone searching "1win alternative" or "1win poker" usually reaches a point where they realize they want a platform whose entire resources are dedicated to poker only — not a casino with a poker corner.